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May 20-21, 2023
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Colfax Marathon Races
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Cigna Denver Colfax Marathon Expo
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2023 Pre-Season Pricing Ends Tonight!
Race Day is in
This promotion has ended, but you can still register
here
.
Home
All Events
Colfax Marathon Races
Cigna Denver Colfax Marathon Expo
Colfax Marathon Awards Evening
5K on the Runway – Be the First!
Colorado Running Hall of Fame
Colorado Running & Walking Event Alliance
Colfax Races
Race Weekend Events
Marathon
Half Marathon
Urban 10 Miler
Marathon Relay – Overview
> Corporate Marathon Relay
> Government Marathon Relay
> Public School Marathon Relay
> Open Marathon Relay
Colfax 5K
Register
Race Results
Runner Info
Denver – Plan Your Trip!
Cigna Denver Colfax Marathon Expo
Race Weekend Events
2-Day Mile High Challenge
Colfax Double Marathon Challenge
FAQ for 2023
5-10-15 Year Loyal Runners
Colfax Store
2023 Preferred Hotels
Official Vehicle Sponsor
Elite Program
Athletes with Disabilities
Run for a Nonprofit
Charities
Run for a Nonprofit
Charity Partners Program by Walker & Dunlop
Our Charity Partners
Schools – Raise or Win Money
Charity Partners Login Library
Training
Training Programs
Featured Running Clubs
Training Tips
Sponsors
Sponsorship
Our Sponsors
Volunteer
About
About Us
Latest News
Privacy Policy
Contact Us
Stay Informed
